Focus Varejo MCP Server for Mastra AI 8 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Focus Varejo through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token. get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"focus-varejo": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Focus Varejo Agent",
instructions:
"You help users interact with Focus Varejo " +
"using 8 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Focus Varejo?"
);
console.log(result.text);
}
main();
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About Focus Varejo MCP Server
Connect Focus Varejo to any AI agent and manage your retail and telecom fiscal documentation — issue NFC-e for retail sales, NFCom for telecom services, manifest NF-e and CT-e as recipient, and list received NFS-e through natural conversation.
Mastra's agent abstraction provides a clean separation between LLM logic and Focus Varejo tool infrastructure. Connect 8 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
What you can do
- Emit NFC-e — Issue Consumer Invoices for retail point-of-sale transactions
- Emit NFCom — Issue Communication/Telecom Service Invoices
- Manifest NF-e — Acknowledge or confirm invoices issued against your CNPJ
- Manifest CT-e — Acknowledge transport documents as recipient
- Consult Status — Check authorization and status of NFC-e and NFCom
- List Received NFS-e — View all service invoices received by your company
The Focus Varejo MCP Server exposes 8 tools through the Vinkius. Connect it to Mastra AI in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect Focus Varejo to Mastra AI via MCP
Follow these steps to integrate the Focus Varejo MCP Server with Mastra AI.
Install dependencies
Run npm install @mastra/core @mastra/mcp @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.ts and run with npx tsx agent.ts
Explore tools
Mastra discovers 8 tools from Focus Varejo via MCP
Why Use Mastra AI with the Focus Varejo MCP Server
Mastra AI provides unique advantages when paired with Focus Varejo through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Focus Varejo without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every Focus Varejo tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
Focus Varejo + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Focus Varejo MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Focus Varejo, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Focus Varejo as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Focus Varejo on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Focus Varejo tools alongside other MCP servers
Focus Varejo MCP Tools for Mastra AI (8)
These 8 tools become available when you connect Focus Varejo to Mastra AI via MCP:
cancel_nfce
Cancel NFC-e
consult_nfce
Consult NFC-e status
consult_nfcom
Consult NFCom status
emit_nfce
Emit NFC-e for retail sales
emit_nfcom
Emit NFCom for Telecom services
list_received_nfse
List NFS-e received by the company
manifest_cte
Manifest CT-e as recipient
manifest_nfe
Manifest NF-e as recipient (Ciência, Confirmação, etc)
Example Prompts for Focus Varejo in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with Focus Varejo immediately.
"Emit an NFC-e for a sale of R$89.90."
"Manifest NF-e 3523010000000000000055001000001000 as confirmed."
"List all service invoices received by CNPJ 12.345.678/0001-00."
Troubleshooting Focus Varejo MCP Server with Mastra AI
Common issues when connecting Focus Varejo to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpFocus Varejo + Mastra AI FAQ
Common questions about integrating Focus Varejo MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
Connect Focus Varejo with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect Focus Varejo to Mastra AI
Get your token, paste the configuration, and start using 8 tools in under 2 minutes. No API key management needed.